I am a us citizen, retired, single, I have SSA1099,1099-INT and NR4 et NR4(OAS) from Quebec and Canada pension plan benefits.

[jmorin18]

First I would like to make sure which product I should use.

[CathyD]

You go to TurboTax.com.  When you start adding your information the system will upgrade you to the version you need to use. Also I am including the way to add the NR4etNR4(OAS) to your return

https://ttlc.intuit.com/replies/5822990